Question

3x²-7x+2=0
Me ajudem

Answer 1

3x²-7x+2=0
Δ=b²-4ac
Δ=(-7)²-4*3*2
Δ=49-24
Δ=25    √Δ=5

x'=(7-5)/6=2/6=1/3

x''=(7+5)/6=12/6=2

S:{1/3;2}